JavaScript: Check whether a given value is UK Post Code or not
JavaScript validation with regular expression: Exercise-13 with Solution
Validate UK Post Code
Write a JavaScript function to check whether a given value is a UK Post Code or not.
Sample Solution:
JavaScript Code:
function is_ukPostCode(str)
{
regexp = /^[A-Z]{1,2}[0-9RCHNQ][0-9A-Z]?\s?[0-9][ABD-HJLNP-UW-Z]{2}$|^[A-Z]{2}-?[0-9]{4}$/;
if (regexp.test(str))
{
return true;
}
else
{
return false;
}
}
console.log(is_ukPostCode("B294HJ"));
console.log(is_ukPostCode("7892"));
Output:
true false
Flowchart:
Live Demo:
See the Pen javascript-regexp-exercise-13 by w3resource (@w3resource) on CodePen.
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